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Proficiency Testing № PTS 26/03-Т-4

Proficiency Testing Scheme No. PTS 26/03-T-4 is a bilateral PT scheme organized by PT Provider PTS Bulgaria at “PTS Bulgaria” Ltd.

The scheme includes the laboratory activity “testing”, with the PT item being the product “Asphalt mixture”.

The PT scheme is developed upon request from a participant and is intended for the evaluation of performance in the testing of asphalt mixture for the requested characteristics.

The product and the characteristics are within the scope of accreditation of PT Provider PTS Bulgaria at “PTS Bulgaria” Ltd.

For the purposes of the scheme, reserve PT items from a previous proficiency testing scheme for asphalt mixture are used, with their stability and suitability confirmed before being provided to the participant.

You may find more details in the Detailed PT plan and the Invitation for participation in section “Documents for participation”.

Subject of the proficiency testing

Asphalt /bituminous/ mixture

Testing

Code of the standаrd Parameter

*EN 12697-1

Soluble binder content (three determinations)

*EN 12697-2

Particle size distribution (three determinations)

*EN 12697-5, Procedure А (item 9.2)

Maximum density (three determinations)

*EN 12697-6, Procedure В (item 9.3)

Bulk density (three determinations)

*EN 12697-34

Stability (four determinations)

*EN 12697-34

Flow (four determinations)
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